[INFO] cloning repository https://github.com/kaaboaye/genetic_algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaaboaye/genetic_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fgenetic_algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fgenetic_algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d43b932ad05b1eca41dc4a091f5e34c973f31dca
[INFO] building kaaboaye/genetic_algorithm against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fgenetic_algorithm" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaaboaye/genetic_algorithm on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kaaboaye/genetic_algorithm
[INFO] finished tweaking git repo https://github.com/kaaboaye/genetic_algorithm
[INFO] tweaked toml for git repo https://github.com/kaaboaye/genetic_algorithm written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kaaboaye/genetic_algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dbb2a4f9fb792d5591611b12738fdf4145b26dce0ad3875388d1de9f77405db
[INFO] running `Command { std: "docker" "start" "-a" "5dbb2a4f9fb792d5591611b12738fdf4145b26dce0ad3875388d1de9f77405db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dbb2a4f9fb792d5591611b12738fdf4145b26dce0ad3875388d1de9f77405db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbb2a4f9fb792d5591611b12738fdf4145b26dce0ad3875388d1de9f77405db", kill_on_drop: false }`
[INFO] [stdout] 5dbb2a4f9fb792d5591611b12738fdf4145b26dce0ad3875388d1de9f77405db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3016ee10cf4d833b3e329aec4872dce0ac4f440f8efe9d9ccac3581ca121e4a
[INFO] running `Command { std: "docker" "start" "-a" "f3016ee10cf4d833b3e329aec4872dce0ac4f440f8efe9d9ccac3581ca121e4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
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[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling nalgebra v0.20.0
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]    Compiling structopt v0.3.11
[INFO] [stderr]    Compiling genet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `EvaluationArena` is never constructed
[INFO] [stdout]   --> src/population/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct EvaluationArena {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `declared` and `actual` are never read
[INFO] [stdout]    --> src/scenario.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     IncorrectNumberOfObjects {
[INFO] [stdout]     |     ------------------------ fields in this variant
[INFO] [stdout] 159 |         declared: Number,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 160 |         actual: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrategyLoadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minimal` and `total_weight` are never read
[INFO] [stdout]    --> src/scenario.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     TotalWeightToSmall {
[INFO] [stdout]     |     ------------------ fields in this variant
[INFO] [stdout] 164 |         minimal: Number,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 165 |         total_weight: Number,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrategyLoadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minimal` and `total_size` are never read
[INFO] [stdout]    --> src/scenario.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     TotalSizeToSmall {
[INFO] [stdout]     |     ---------------- fields in this variant
[INFO] [stdout] 169 |         minimal: Number,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 170 |         total_size: Number,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrategyLoadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "f3016ee10cf4d833b3e329aec4872dce0ac4f440f8efe9d9ccac3581ca121e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3016ee10cf4d833b3e329aec4872dce0ac4f440f8efe9d9ccac3581ca121e4a", kill_on_drop: false }`
[INFO] [stdout] f3016ee10cf4d833b3e329aec4872dce0ac4f440f8efe9d9ccac3581ca121e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ece0f5a3b9b323915d4bd7d158663e509fbb7d0f3b058258aad576839303ac0
[INFO] running `Command { std: "docker" "start" "-a" "3ece0f5a3b9b323915d4bd7d158663e509fbb7d0f3b058258aad576839303ac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling genet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `EvaluationArena` is never constructed
[INFO] [stdout]   --> src/population/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct EvaluationArena {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `declared` and `actual` are never read
[INFO] [stdout]    --> src/scenario.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     IncorrectNumberOfObjects {
[INFO] [stdout]     |     ------------------------ fields in this variant
[INFO] [stdout] 159 |         declared: Number,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 160 |         actual: usize,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrategyLoadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minimal` and `total_weight` are never read
[INFO] [stdout]    --> src/scenario.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     TotalWeightToSmall {
[INFO] [stdout]     |     ------------------ fields in this variant
[INFO] [stdout] 164 |         minimal: Number,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 165 |         total_weight: Number,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrategyLoadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minimal` and `total_size` are never read
[INFO] [stdout]    --> src/scenario.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     TotalSizeToSmall {
[INFO] [stdout]     |     ---------------- fields in this variant
[INFO] [stdout] 169 |         minimal: Number,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 170 |         total_size: Number,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrategyLoadError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "3ece0f5a3b9b323915d4bd7d158663e509fbb7d0f3b058258aad576839303ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ece0f5a3b9b323915d4bd7d158663e509fbb7d0f3b058258aad576839303ac0", kill_on_drop: false }`
[INFO] [stdout] 3ece0f5a3b9b323915d4bd7d158663e509fbb7d0f3b058258aad576839303ac0